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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A254069 a(n) = smallest k such that none of 4*k - 4*j + 2 and 4*k + 4*j - 2, j = 0, 1, 2, .. n, are squarefree.

Table of values

n a(n)
0 13
1 13
2 1263
3 837140

List of values

[13, 13, 1263, 837140]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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